FA17045B SQUARE D 1P 45A 347V B PH I LINE
The FA17045B by Square D is a 1-pole circuit breaker rated at 45A and designed for 347V applications. This robust model is perfect for various electrical setups, providing reliable protection and efficient operation. Ideal for commercial and industrial use, it ensures safety while maintaining optimal performance in your electrical systems.
The FA17045B is an FA-frame plug-in molded-case breaker designed for Square D commercial and industrial panelboards that accept FA-frame plug-in devices. It is not suitable for residential QO or Homeline loadcentres. Share your panelboard model number with our team and we'll confirm the fit.
Yes — 347V is a standard voltage in Canadian commercial electrical distribution, commonly used for single-phase lighting circuits derived from a 600V, 3-phase, 4-wire system. The FA17045B is specifically rated for this voltage, making it well suited to Canadian commercial and industrial installations operating under the Canadian Electrical Code (CEC).
Square D's FA-frame series is an older commercial MCCB line, and availability can vary. Northern Breaker Group specializes in hard-to-find and obsolete breakers, and we maintain stock of legacy Square D FA-frame units. Contact one of our Calgary, Edmonton, or Vancouver branches or submit a quote request and we'll check current inventory for you.
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